53205510553 has 8 divisors (see below), whose sum is σ = 57300320448. Its totient is φ = 49110997584.

The previous prime is 53205510517. The next prime is 53205510559. The reversal of 53205510553 is 35501550235.

53205510553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53205510553 - 2⁹ = 53205510041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53205510559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419700 + ... + 531562.

It is an arithmetic number, because the mean of its divisors is an integer number (7162540056).

Almost surely, 2^53205510553 is an apocalyptic number.

It is an amenable number.

53205510553 is a deficient number, since it is larger than the sum of its proper divisors (4094809895).

53205510553 is a wasteful number, since it uses less digits than its factorization.

53205510553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148463.

The product of its (nonzero) digits is 56250, while the sum is 34.

The spelling of 53205510553 in words is "fifty-three billion, two hundred five million, five hundred ten thousand, five hundred fifty-three".